【Tech】 How to compress VDI file for VirtualBox

Problem

The growing VirtualBox VDI file is very annoying.

以下是压缩 vdi 文件的方法。

On linux VM

Run

 dd if=/dev/zero of=/var/tmp/bigemptyfile bs=4096k ; rm /var/tmp/bigemptyfile

On windows host

Run

cd 'C:\Program Files\Oracle\VirtualBox\'

.\VBoxManage.exe modifymedium --compact D:\VMs\abc.vdi

Done.

Reference

https://superuser.com/questions/529149/how-to-compact-virtualboxs-vdi-file-size